Restructuring and Other Costs, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011	Aug. 03, 2012
Restructuring And Other Costs, Net Disclosure
Identified Future Restructuring Costs					$ 60.0
Restructuring Reserve [Line Items]
Cost of Revenues	12.8		39.4
Selling, General and Administrative Expenses	1.8		(5.9)
Restructuring and Other Costs, Net	24.3	39.8	36.5	55.0
Total Restructuring and Other Costs, Net	38.9		70.0
Restructuring and Related Costs, Non-Cash Costs (Income), Net			6.0
Analytical Technologies [Member]
Restructuring Reserve [Line Items]
Cost of Revenues	0.4		1.0
Selling, General and Administrative Expenses	0		(0.1)
Restructuring and Other Costs, Net	14.1		18.2
Total Restructuring and Other Costs, Net	14.5		19.1
Restructuring and Related Costs, Cash Costs	10.5		14.6
Asset Writedowns	3.6		3.6
Analytical Technologies [Member] | Severance [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	7.6		10.7
Restructuring Severance, Number of Positions Eliminated (employees)	200		300
Analytical Technologies [Member] | Abandonment of Excess Facilities [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	1.9		2.9
Analytical Technologies [Member] | Other Restructuring [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	1.0		1.0
Specialty Diagnostics [Member]
Restructuring Reserve [Line Items]
Cost of Revenues	11.5		37.8
Selling, General and Administrative Expenses	1.5		1.5
Restructuring and Other Costs, Net	7.0		9.7
Total Restructuring and Other Costs, Net	20.0		49.0
Restructuring and Related Costs, Cash Costs	7.0		9.0
Asset Writedowns			0.7
Specialty Diagnostics [Member] | Severance [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	6.7		8.4
Restructuring Severance, Number of Positions Eliminated (employees)	60		120
Specialty Diagnostics [Member] | Abandonment of Excess Facilities [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	0.1		0.4
Specialty Diagnostics [Member] | Other Restructuring [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	0.2		0.2
Laboratory Products and Services [Member]
Restructuring Reserve [Line Items]
Cost of Revenues	0.9		0.6
Selling, General and Administrative Expenses	0.3		0.3
Restructuring and Other Costs, Net	3.0		8.3
Total Restructuring and Other Costs, Net	4.2		9.2
Restructuring and Related Costs, Cash Costs	2.8		7.1
Asset Writedowns	0.2		1.2
Laboratory Products and Services [Member] | Severance [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	1.5		3.6
Restructuring Severance, Number of Positions Eliminated (employees)	30		110
Laboratory Products and Services [Member] | Abandonment of Excess Facilities [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	0.5		1.7
Laboratory Products and Services [Member] | Other Restructuring [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs	0.8		1.8
Corporate [Member]
Restructuring Reserve [Line Items]
Selling, General and Administrative Expenses	0		(7.6)
Restructuring and Other Costs, Net	0.2		0.3
Total Restructuring and Other Costs, Net	0.2		(7.3)
Corporate [Member] | Severance [Member]
Restructuring Reserve [Line Items]
Restructuring and Related Costs, Cash Costs			$ 0.3